Rotor Auxiliary Slot Design Optimization for Interior Permanent Magnet Synchronous Machine for Electric Vehicle
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2023 IEEE International Magnetic Conference (INTERMAG), 2023, 2023-May, pp. 1-5
- Issue Date:
- 2023-10-02
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Rotor_Auxiliary_Slot_Design_Optimization_for_Interior_Permanent_Magnet_Synchronous_Machine_for_Electric_Vehicle.pdf | Published version | 724.56 kB |
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The interior permanent magnet synchronous machine IPM with a double layer permanent magnet PM rotor structure is a good candidate machine for electric vehicle drive systems due to its high torque ability and efficiency however it also has the disadvantages of high cogging torque and high vibration noise Improving the air gap flux density distribution is an effective way to reduce the cogging torque and vibration of the electrical machine which can be achieved by designing the rotor surface with auxiliary slots The torque performance and vibration of the IPM can be affected by the shape position and number of auxiliary slots on the rotor surface In this paper the rotor auxiliary slot structure of double V shaped permanent magnet IPM D V IPM is optimized with cogging torque and air gap electromagnetic density as the optimization objectives then the influence of the rotor auxiliary slot on the torque performance and vibration of D V IPM are summarized A multi objective genetic algorithm MOGA was used to optimize the design of the D V IPM with four curved auxiliary slots F CAS and the motor performance was verified by experiments
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